14. Offences by corporations. -Where a person committing an offence punishable under this Act is a company or an association or a body of persons, whether incorporated or not, every director manager, secretary, agent or other officer or person concerned with the management thereof, shall, unless he proves that the offence was committed without his knowledge or that he has exercised all due diligence to prevent its commission, be deemed to be guilty of such offence. |